单项选择题
( ) dictionaries aim at defining words and explaining their usages in the language.
单项选择题 'teacher and 'student are ( ).
单项选择题 Sense denotes the relationships ().
单项选择题 The introduction of ( )had a great infuence on English vocabulary. The words such as 'abbot, 'amen' and 'apostle' are some of the example words.